COOK pasta as directed on package. Meanwhile, cook sausage in large skillet on medium heat 10 min. Stir in peppers; cook 7 min. or until sausage is cooked through and peppers are crisp-tender. Stir in tomatoes; cook 2 min. or until heated through.
DRAIN pasta. Add to sausage mixture with shredded cheese; mix well.
TOP with Parmesan.